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NCAR developed and Vaisala commercialized the dropsonde, a meteorological instrument that is deployed from an aircraft into hurricanes to improve both track and intensity forecasts

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Dan Powers, CO-LABS
August 25th, 2015

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August 20, 2015

BOULDER – The High Altitude Observatory (HAO) of the National Center for Atmospheric Research (NCAR) is celebrating its 75th anniversary, a milestone in an ongoing quest to learn about the Sun’s behavior and its impact on Earth.

Free public events include two showings of “Solar Superstorms” about the Sun and its influence on Earth at the University of Colorado Boulder’s Fiske Planetarium on August 31 at 7:00 p.m. and 7:45 p.m. Three HAO scientists contributed to this film. In addition, John Grunsfeld, associate administrator for the Science Mission Directorate at NASA and a five-time space shuttle astronaut, will give a public talk at CU’s Glenn Miller Ballroom on September 2 at 7:00 p.m.

Other anniversary events, all of which are free and open to the public, will take place September 1-3 at NCAR’s Center Green facility (3080 Center Green Drive). The agenda will feature a September 1 keynote talk on HAO history by former University Corporation for Atmospheric Research (UCAR) president Thomas Bogdan, presentations by leaders from area solar research institutes, and a discussion of current and future issues such as space weather impacts on society.

HAO celebrates its 75th anniversary; has produced simulatios of sunspots
In 2009, NCAR scientists and collaborators for the first time modeled a sunspot in a 3D computer simulation. The model shows the intense outward flow of magnetic activity.  (Image by Matthias Rempel, ©UCAR. This image is freely available for media & nonprofit use.)
The events on September 2, known as “AstroBoulder Day,” are especially aimed for the public. They are being offered in collaboration with the Boulder Solar Alliance, which includes HAO, the National Solar Observatory, the University of Colorado Boulder, the Space Weather Prediction Center at the National Oceanic and Atmospheric Administration, and several smaller members.

More detail about the anniversary events, as well as historic HAO photos, can be found here.